Temporary fence for elevator maintenance

By introducing diamond-shaped telescopic frames and flexible shielding films into the temporary fence for elevator maintenance, the problem of rolling objects falling from the ground during elevator maintenance was solved, achieving a balance between safety and portability.

CN223523508UActive Publication Date: 2025-11-07ZHEJIANG LANGDA ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202422417483.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-11-07
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

Existing folding temporary barriers pose a safety risk during elevator maintenance as the gap at the bottom can allow rolling objects to fall into the elevator shaft.

Method used

Design a temporary fence with a diamond-shaped telescopic frame and a flexible shielding film. The telescopic frame can be extended and the bottom gap can be covered by the flexible shielding film to prevent rolling objects from falling in.

Benefits of technology

It effectively prevents rolling objects from entering the elevator shaft, improving the safety of elevator maintenance, and does not affect the portability of the fence when stored.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of temporary fences, in particular to a temporary fence for elevator maintenance. According to the technical scheme, the device comprises counterweight seats, vertical rods and rhombic telescopic frames, the counterweight seats are arranged in pairs and fixed to the bottoms of the vertical rods, the rhombic telescopic frames are installed between the vertical rods, installation sleeves are installed at the bottoms of the rhombic telescopic frames at equal intervals, transverse rods are rotationally connected to the bottoms of the installation sleeves, and flexible shielding films are fixed to the bottoms of the transverse rods; and a positioning assembly is arranged between the cross rod and the mounting sleeve. The whole fence can be unfolded and stored by utilizing the scalability of the rhombic telescopic frame, and rolling objects on the ground can be blocked by utilizing the flexible shielding film at the bottom when the fence is unfolded, so that the risk that foreign matters fall into an elevator shaft is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to temporary fence technical field, concretely is a kind of temporary fence for elevator maintenance. BACKGROUND

[0002] Temporary fence is a temporary fence system, for defining work area, limiting the passage of personnel or vehicle, protecting public safety or isolating dangerous area. They are usually composed of foldable or detachable components, for quick installation and disassembly, suitable for various temporary occasions, such as construction site, road construction, large-scale activities, emergency rescue site, etc.

[0003] Common temporary fence has fixed type and folding type, among them, folding type temporary fence is more flexible, can be applied to different occasions, and is more widely used. When the elevator is overhauled, the folding type temporary fence can be set up at the elevator entrance, which can play a good reminding role. However, there is a gap between the middle position of the unfolded folding type temporary fence and the ground, and some ground rolling objects can directly enter from the gap and finally fall into the elevator shaft, which poses a certain safety risk. Therefore, it is necessary to design a temporary fence with a shielding structure at the bottom. SUMMARY

[0004] The utility model aims at providing a kind of temporary fence for elevator maintenance to solve the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including counterweight seat, vertical rod and rhombus telescopic frame, the counterweight seat is arranged in pairs and is fixed at the bottom of the vertical rod, the rhombus telescopic frame is installed between the vertical rods, the rhombus telescopic frame is equidistantly installed with mounting sleeve at the bottom, the mounting sleeve is rotatably connected with horizontal rod at the bottom, the horizontal rod is fixed with flexible shielding film at the bottom, and the horizontal rod and the mounting sleeve are provided with positioning assembly.

[0006] Preferably, the positioning assembly includes positioning slot and positioning plate, the positioning slot is opened on the upper end of the horizontal rod and is symmetrically distributed, the positioning plate is installed at the bottom of the mounting sleeve, and the position is aligned with the positioning slot, and the bottom of the positioning slot is inserted into the positioning slot.

[0007] Preferably, the mounting sleeve is provided with expansion slot at the position aligned with the positioning plate, the upper end of the positioning plate is slidably connected in the expansion slot, and the fixed spring is fixed between the inner wall of the expansion slot and the upper end of the positioning plate, the external pull block is slidably connected with the upper end of the positioning plate outside the mounting sleeve and at the position aligned with the upper end of the positioning plate, and the external pull block and the upper end of the positioning plate are fixed through the connecting block.

[0008] Preferably, the upper end of the horizontal rod abuts against the bottom of the mounting sleeve, the width of the horizontal rod is less than the width of the mounting sleeve, and the local area between the positioning slots is the same as the width of the horizontal rod.

[0009] Preferably, the upper end of the horizontal rod is fixed with a center rotating shaft, and the center rotating shaft is rotationally connected in the mounting sleeve.

[0010] Preferably, the upper end of the horizontal rod is fixed with a center rotating shaft, and the center rotating shaft is rotationally connected in the mounting sleeve.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the whole fence can be unfolded and stored by the telescopic property of the rhombic telescopic frame, and when unfolded, the flexible shielding rubber sheet at the bottom can block the rolling object on the ground, reducing the risk of foreign matter falling into the elevator shaft. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a front appearance structure schematic diagram of the temporary fence for elevator maintenance.

[0013] Fig. 2 It is a front appearance structure schematic diagram of the temporary fence for elevator maintenance.

[0014] Fig. 3 It is a front appearance structure schematic diagram of the temporary fence for elevator maintenance.

[0015] In the figure: 1, counterweight seat; 2, vertical rod; 21, reflective label; 3, rhombic telescopic frame; 4, mounting sleeve; 41, positioning plate; 42, telescopic groove; 43, fixed spring; 44, external pull block; 5, horizontal rod; 51, center rotating shaft; 52, positioning groove; 6, flexible shielding rubber sheet. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0017] Please refer to Figs. 1-3 The utility model provides a technical scheme: including counterweight seat 1, vertical rod 2 and rhombic telescopic frame 3, counterweight seat 1 is set up in pairs and is fixed at vertical rod 2 bottom, rhombic telescopic frame 3 is installed between vertical rod 2, rhombic telescopic frame 3 bottom equidistance is installed with mounting sleeve 4, mounting sleeve 4 bottom rotationally connected with horizontal rod 5, horizontal rod 5 bottom is fixed with flexible shielding rubber sheet 6, and horizontal rod 5 with mounting sleeve 4 between is provided with positioning assembly, and the upper end of horizontal rod 5 is fixed with center rotating shaft 51, and center rotating shaft 51 is rotationally connected in mounting sleeve 4, and reflective label 21 is pasted on vertical rod 2.

[0018] The positioning assembly comprises positioning grooves 52 and a positioning plate 41, the positioning grooves 52 are symmetrically arranged on the upper end of the horizontal rod 5, the positioning plate 41 is installed on the bottom of the mounting sleeve 4 and is aligned with the positioning grooves 52, the bottom of the positioning grooves 52 is inserted into the positioning grooves 52, the mounting sleeve 4 is provided with an expansion groove 42 at a position aligned with the positioning plate 41, the upper end of the positioning plate 41 is slidingly connected in the expansion groove 42, and the fixed spring 43 is fixed between the upper end of the positioning plate 41 and the inner wall of the expansion groove 42, the outer pull block 44 is slidingly connected to the outer side of the mounting sleeve 4 and is aligned with the upper end of the positioning plate 41, the outer pull block 44 and the upper end of the positioning plate 41 are fixed through the connecting block, the upper end of the horizontal rod 5 abuts against the bottom of the mounting sleeve 4, the width of the horizontal rod 5 is less than the width of the mounting sleeve 4, and the local distance between the positioning grooves 52 is the same as the width of the horizontal rod 5.

[0019] Working principle: the folding property of the diamond-shaped telescopic frame 3 can be freely expanded and retracted to achieve the purpose of temporary fence deployment and storage, and when deployed, the horizontal rod 5 at the bottom of the mounting sleeve 4 can be rotated to drive the flexible shielding film 6 to rotate, and finally all the flexible shielding films 6 are rotated to the same plane, the gap between the bottom of the diamond-shaped telescopic frame 3 and the ground can be shielded by the flexible shielding film 6 to prevent the ground rolling object from rolling into the elevator shaft, improving the safety of use, and when stored, the flexible shielding film 6 can be rotated to be parallel to each other without affecting normal storage, the whole operation is simple and convenient, when rotating the horizontal rod 5, the outer pull block 44 can be pulled to make the positioning plate 41 retract into the expansion groove 42 under the compression of the fixed spring 43, so that the horizontal rod 5 can be freely rotated, and after being released, the horizontal rod 5 can be inserted into the positioning grooves 52 through the reset of the fixed spring 43 to achieve the fixation of the horizontal rod 5, and since the width of the horizontal rod 5 is the same as the distance between the positioning grooves 52, the positioning plate 41 can also be inserted into the position on both sides of the horizontal rod 5 to keep the horizontal rod 5 fixed after being rotated at right angles.

[0020] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0021] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A temporary fence for elevator repair, comprising a counterweight seat (1), a vertical rod (2) and a diamond-shaped telescopic frame (3), characterized in that: The counterweight seat (1) is arranged in pairs and is fixed at the bottom of the vertical rod (2), the rhombic telescopic frame (3) is installed between the vertical rods (2), equidistant mounting sleeves (4) are installed at the bottom of the rhombic telescopic frame (3), the horizontal rod (5) is rotatably connected to the bottom of the mounting sleeve (4), the flexible shielding film (6) is fixed to the bottom of the horizontal rod (5), and the positioning assembly is arranged between the horizontal rod (5) and the mounting sleeve (4).

2. A temporary fence for elevator maintenance according to claim 1, characterized in that The positioning assembly comprises positioning grooves (52) and a positioning plate (41), the positioning grooves (52) are symmetrically arranged on the upper end of the horizontal rod (5), the positioning plate (41) is installed at the bottom of the mounting sleeve (4) and is aligned with the positioning grooves (52), and the positioning grooves (52) are inserted into the positioning grooves (52).

3. A temporary barrier for elevator maintenance according to claim 2, characterized in that The mounting sleeve (4) is provided with an expansion groove (42) at the position aligned with the positioning plate (41), the upper end of the positioning plate (41) is slidably connected to the expansion groove (42), and the fixing spring (43) is fixed between the expansion groove (42) and the inner side wall of the expansion groove (42), the external pull block (44) is slidably connected to the outer side of the mounting sleeve (4) and the upper end of the positioning plate (41), and the external pull block (44) and the upper end of the positioning plate (41) are fixed through the connecting block.

4. A temporary barrier for elevator maintenance according to claim 2, characterized in that: The upper end of the horizontal rod (5) abuts against the bottom of the mounting sleeve (4), the width of the horizontal rod (5) is smaller than the width of the mounting sleeve (4), and the local area between the positioning grooves (52) is the same as the width of the horizontal rod (5).

5. A temporary fence for elevator maintenance according to claim 1, characterized in that: The upper end of the horizontal rod (5) is fixed with the center rotating shaft (51), and the center rotating shaft (51) is rotatably connected in the mounting sleeve (4).

6. A temporary fence for elevator maintenance according to claim 1, characterized in that: The vertical rod (2) is pasted with a reflective label (21).